HP Officejet H470wf Mobile Printer - Manual (Page 119)

Power requirements
Input voltage: 100 to 240 VAC (± 10%), 50 to 60 Hz (± 3Hz)
Output voltage: 18.5 Vdc, 3500 mA
Power consumption
34.03 watts
Acoustic emission specifications (noise levels per ISO 7779)
Sound pressure (bystander position)
LpAm 47 (dBA)
Sound power
LwAd 6.1 (BA)
Memory card specifications
• Maximum recommended number of files on a memory card: 1,000
• Maximum recommended individual file size: 12 megapixel maximum, 8 MB maximum
• Maximum recommended memory card size: 2 GB (solid state only)
NOTE: Approaching any of the recommended maximums on a memory card might cause
the performance of the device to be slower than expected.
Supported memory card types
•
Secure Digital
• MultiMediaCard (MMC)
Memory card specifications 115